From f3afcce30a6213fedba4330a5c0b1edc5b528b70 Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Wed, 20 Jun 2007 20:19:10 +0000
Subject: [PATCH] Add a simple grep program

---
 Build    | 11 +++++++++++
 grep.cpp | 29 +++++++++++++++++++++++++++++
 2 files changed, 40 insertions(+)
 create mode 100644 grep.cpp

diff --git a/Build b/Build
index 8a7d481..688fe61 100644
--- a/Build
+++ b/Build
@@ -10,4 +10,15 @@ package "mspstrings"
 		install true;
 		install_headers "msp/strings";
 	};
+
+	program "grep"
+	{
+		source "grep.cpp";
+		build_info
+		{
+			incpath "source";
+			libpath ".";
+			library "mspstrings";
+		};
+	};
 };
diff --git a/grep.cpp b/grep.cpp
new file mode 100644
index 0000000..8c369a5
--- /dev/null
+++ b/grep.cpp
@@ -0,0 +1,29 @@
+/* $Id$ */
+#include <iostream>
+#include <string>
+#include "regex.h"
+
+using namespace std;
+using namespace Msp;
+
+int main(int argc, char **argv)
+{
+	if(argc<2)
+	{
+		cerr<<"Usage: "<<argv[0]<<" <regex>\n";
+		return 1;
+	}
+
+	Regex regex(argv[1]);
+	cout<<regex.disassemble();
+	string line;
+	while(getline(cin, line))
+	{
+		if(RegMatch match=regex.match(line))
+		{
+			cout<<line<<'\n';
+		}
+	}
+
+	return 0;
+}
-- 
2.43.0